A paddle wheel with radius of 7 feet is in a stream. The stream's current pushes the wheel to 18 rpm. Assuming no loses in the system due to friction what is the speed of the current?

John bought 2 horses at rs 20000 each

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Write the percent as a fraction or mixed number in simplest form. 0.8%